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(archived) Maritime Boundaries Geodatabase
Citable as data publication
Flanders Marine Institute (2018). Maritime Boundaries Geodatabase, version 10. Available online at
Previous version view
Flanders Marine Institute (2016). Maritime Boundaries Geodatabase, version 9. Available online at

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Despite the strategic significance of EEZs, a standard georeferenced product with maritime boundaries was not available at the global level (Claus et. al, 2014), until it was developed and made available by the Flanders Marine Institute (VLIZ) in 2006 (Deckers and Vanden Berghe, 2006).

The product developed at VLIZ consisted of two GIS layers providing both the maritime boundaries (lines) and the EEZs (polygons). The layers were regularly updated with 8 consecutive versions published between 2006 and 2014. Version 9 was launched by the VLIZ-hosted portal in October 2016 and implied major new developments. Straight and archipelagic baselines were included, together with remaining areas defined by UNCLOS: internal and archipelagic waters, territorial seas and contiguous zones.

Marine/Coastal, Contiguous zones, Exclusive economic zone, International boundaries, Law of the sea, Territorial waters, World Oceans

Geographical coverage
World Oceans [Marine Regions]

Vlaams Instituut voor de Zee (VLIZ), moredata managerdatabase developerdata ownerdata creator

Related datasets
Parent dataset:, more
Child datasets:
(archived) Maritime Boundaries Geodatabase: Archipelagic Waters, more
(archived) Maritime Boundaries Geodatabase: Contiguous Zones (24NM), more
(archived) Maritime Boundaries Geodatabase: Internal Waters, more
(archived) Maritime Boundaries Geodatabase: Maritime Boundaries and Exclusive Economic Zones (200NM), more
(archived) Maritime Boundaries Geodatabase: Territorial Seas (12NM), more
Previous version:
MARBOUND: VLIZ Maritime Boundaries Geodatabase, more
Following version:
Maritime Boundaries Geodatabase, version 11, more
Other relation:
The intersect of the Exclusive Economic Zones and IHO sea areas, version 3, more

Dataset status: In Progress
Data type: GIS maps
Metadatarecord created: 2016-10-07
Information last updated: 2020-06-17
All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy